OpenTechnical

OT-2026-000053600

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000053600) never changes.

Identity and time

Publication numberOT-2026-000053600 · never reused
Internal UUID01a0ae85-0a93-788f-8808-cba03e0b45ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053600
StatusPUBLIC

Content hashes

Canonical textfeeb5ca70006720e09684cbe75964a1e4072ff7d776818dc7756b3e00c9cc228
Markdownda8d60ea0a4b829a7db1f20ade79206c83522d735e8cd568f7a23a3d2df498b8
PDF
Publication page32bdcf0f5499ca3ee96ab7d359a459446b30716f1ba724164e1ce7f23ed41253
Manifest5408bdef599acd5cfd9989773f46a60f5f8738c9ea0155916ab4baf0eb381132

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureU+RiF2XK6/1/h2L9NL14qSpx/toZLW8ZBzfp37upp5AJql42yX9CwxoIZNDR93HHIFz39RFee/BK1309ImXaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:28.344656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053600
observed 32bdcf0f5499ca3ee96ab7d359a45944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.326540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053600/manifest.json
observed 5408bdef599acd5cfd9989773f46a60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.306102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053600/publication.md
observed da8d60ea0a4b829a7db1f20ade79206c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.287715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053600/publication.txt
observed feeb5ca70006720e09684cbe75964a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.